Let f: ℝ → ℝ be a differentiable function that satisfies the rela… | JEE Main 2023 Mathematics PYQ

MCQMediumJEE Main 2023 · 29 January, Shift 1Functions

Let $f : \mathbb{R} \to \mathbb{R}$ be a differentiable function that satisfies the relation $f(x + y) = f(x) + f(y) - 1$ for all $x, y \in \mathbb{R}$ . If $f'(0) = 2$ , then $|f(-2)|$ is equal to:

A
$1$
B
$2$
C
$3$
D
$4$

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